搜索资源列表
B1
- 固定频率的方波驱动蜂鸣器,共16种音调;在蜂鸣器 发出不同音调的同时,LED发光以二进制数字形式指示 当前音调的编号(1~16)-Fixed-frequency square wave drive buzzer, a total of 16 tones the buzzer sounded a different tone at the same time, LED light-emitting binary digital form, indicate the current t
pcb89S52
- 强!自制电容表的源程序和PCB图,很多贴片电容都没有标明电容值,而我又舍不得扔了它们;自己做电路玩时,经常看到一些废电路板上有很多贴片电容,可以拆下来用,但是却看不到容量,很郁闷。所以我决定做一个电容表来测试它们的容量。 我用单片机8952和电压比较器339做了一个简单的电容容量测量表,参数大致如下: 电容测量范围为1pF-9999.99uF,最小分辨力为1pF。分为5个量程,可以自动切换量程,也可手动切换。 另外,有简单的频率计功能,能测量0-60MHz的数字信号频率(TTL电平);还可以产生
5K_KEIL
- 单片机产生5K方波,晶振12兆赫兹,准确度很高,1us内,所以很值得收藏啊!-Used to generate 5KHz pulse for the MCU 51.
OUTS51P2
- P2口输出3路精确到正负1Hz的方波发生器源程序OUTS51P2.ASM-P2 port output is accurate to plus or minus 3 Road, 1Hz square wave generator source OUTS51P2.ASM
DDS
- 这是一个任意频率的正弦信号发生器,具有可改变输出信号频率,输出信号相位,任意转换输出信号类型(正弦、余弦、锯齿波、方波),屏幕可分别显示用户设定的信号频率与输出信号检测频率。-This is an arbitrary frequency sinusoidal signal generator, with can change the output signal frequency, the output signal phase, arbitrary conversion output sign
10k_frequency_generator
- 10k频率发生器,出来的是矩形方波,直接可以使用。-10k frequency generator, out of a rectangular square wave can be used directly.
alarm
- 电子时钟的闹钟功能,采用at89c51内部定时器产生方波给蜂鸣器,可设置一个闹钟-electritical clock s alarm ,using a timer,make alarm work,you can make one alarm
resizeofapp
- 显示波形的控件 输出余弦,方波,三角波-Shows the output waveform control, cosine, square, triangle wave
basicsignal
- 基本信号生成,可以生成正弦波,方波,锯齿波或利用公式生成自己需要的波形。-Basic signal generation, can generate sine, square, sawtooth wave, or the use of formulas need to generate their own waveforms.
C51
- quick51实验例程----用pwm方波控制直流电机-quick51 experimental routine---- DC motor control using pwm square wave
dds_final
- 使用Verilog HDL语言实现的一个DDS,可以发生0-10Mhz正弦波、方波、三角波,频率步进可调,FM调制、AM调制,调制度可调。DA芯片为8位并行,160MHz-Using the Verilog HDL language implementation of a DDS, can occur 0-10Mhz sine, square, triangle wave, frequency step tunable, FM modulation, AM modulation, adjusta
fangbo
- DSP2812方波发生程序,适合初学者,大家-DSP2812 square wave occurred procedure, suitable for beginners, we look at
DDS1-2
- 利用FPGA设计一个直接数字频率合成器(DDS),要求能够通过键盘设定输出正弦波、三角波和方波,输出波形频率由键盘输入设定,液晶显示屏显示输出波形类型和频率,输出频率范围10Hz-20kHz,步长0.5Hz。-FPGA design using a direct digital synthesizer (DDS), requires the ability to set the keyboard output sine wave, triangle wave and square wave ou
SPWM-5KHZ
- STM32脉冲宽度调制产生5KHZ方波 信春哥,得永生!-STM32 PWM square wave generated 5KHZ Nobuharu brother, but have eternal life!
hutu
- 应用MATLAB的M文件编程方法过行信号频域分析。分别用矩阵运算的方法计算方波的DFS,在60的时窗宽度上方波宽度分别为5与12。并且画出x(n)和DFS(x(n))的杆状图。-Application of MATLAB M-file programming off-line signal frequency domain analysis. Were calculated using matrix calculation of square wave of DFS, in the 60'
shuzipinglvji
- 数字频率计是计算机、通讯设备、音频视频等科研生产领域不可缺少的测量仪器。它是一种用十进制数字显示被测信号频率的数字测量仪器。它的基本功能是测量正弦信号,方波信号及其他各种单位时间内变化的物理量。在进行模拟、数字电路的设计、安装、调试过程中,由于其使用十进制数显示,测量迅速,精确度高,显示直观,经常要用到频率计。-Digital frequency meter is the computer, communications equipment, audio, video and other are
fazhi
- 这是一个将模拟量转换成数字量的VHDL源代码,能够转换正弦波,三角波,方波;通过设定一个阀值,再用比较器比较实现的!-This is an analog quantity into a digital representation of the VHDL source code, to convert sine wave, triangle wave, square wave by setting a threshold, then comparator compares the implem
zhkb
- 这是一个测量方波占空比的源代码!用的是VHDL语言编写的!-This is a measurement of the square wave duty cycle of the source code! Using the VHDL language to!
xinhaofashengqi
- 本设计以LPC2103为控制芯片,探索研究了低频信号发生器的原理和应用,设计输出频率及幅度可调,频率范围为1HZ~50KHZ的正弦波、方波、三角波、调幅波、调频波及其复合波信号,具有信号频率、波形、幅度变化容易,硬件简单可靠等特点的多功能信号源。-For the control of the LPC2103 chip design, explore and study the low frequency signal generator theory and application of des
forconv
- 求两个方波信号的卷积,对两个方波信号进行卷积计算,通过比较输入的两个信号和输出地卷机信号来说明卷积。-Demand convolution of two square wave signals, the convolution of two square wave signals calculated by comparing two input signals and output signals to paper machine to illustrate convolution.